AS63791 — DOORNOC-NET - doornoc

AS63791 announces 1 IPv4 prefixes covering 512 addresses and 1 IPv6 prefixes.

About this network

DOORNOC-NET is operated by doornoc, a non-profit organization active in Osaka, Japan.

What it's used for

• The address space carries a single IPv4 block, 103.169.144.0/23, with the netname doornoc-CIDR-BLK-JP and registrant Japan Network Information Center; IRT-JPNIC-JP.
• The AS announces 512 IPv4 addresses and 1 IPv6 prefix (2407:a2c0::/32) while maintaining only 2 observed neighbours, a ratio consistent with a small-scale access or internal network rather than a transit provider.
• Traffic from this AS originates from university students who are the operational members of the organization, serving as a student-run network infrastructure.

Notable

• The registrant Japan Network Information Center; IRT-JPNIC-JP aligns with the announcer doornoc for the allocated space.
• The address inventory consists of a single contiguous /23 block and one /32 IPv6 prefix, indicating a compact and self-contained allocation.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 103.169.144.0/23
• 2407:a2c0::/32

Upstream networks

• AS59105 Home NOC Operators Group
• AS38074 SDCC Japan-West Area

Adjacent networks

• AS59105 Home NOC Operators Group
• AS38074 SDCC Japan-West Area

Routing security

• RPKI: 2 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 0 route objects.
• Listed in as-sets: AS-GIGAINFRA-V6, AS-HURRICANEV6, AS-IIJ, AS-IIJ6, AS-KDD, AS-KDDI6, AS-MESH-CUSTOMER:AS10010, AS-MESH-CUSTOMER:AS59105, AS-SAKURA, AS-SDCC, AS-TELSTRA-INTL-CUSTOMERS, AS-TOKAI6, AS2497:AS-IIJ, AS2497:AS-IIJ6.